Holocaust, Jewish (1939-1945) 6 Concentration camps 5 World War, 1939-1945 5 Concentration camp inmates 3 History 3 Journalists 3 Emigration and immigration 2 more ... Jews 2 Nazis 2 Buildings 1 Chemists 1 Children of immigrants 1 Economic conditions 1 Ethnic identity 1 Friendship 1 Government policy 1 Group identity 1 Immigrants 1 Jewish musicians 1 Journalism and literature 1 Motion picture plays 1 Polish people 1 Political activity 1 Political prisoners 1 Radioactivity 1 Social aspects 1 Social conditions 1 Social integration 1 Twin sisters 1 Underground movements 1 less ...